Test directory: Cystine, 24Hr Urine

Ordering Code4381
Test NameCystine, 24Hr Urine
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
No Preservatives
Other Specimen/ContainerNone
Optimum Volume20 mL
Collection InstructionsKeep refrigerated during collection
Record entire 24 Hr Vol on container & requisition
Patient age & sex required on requisition.
Handling InstructionsMix sample well, measure total volume and remove aliquot
Freeze aliquot immediately.
Transport RequirementsOahu: Refrigerated
Airline: Frozen
Specimen StabilityAmbient: Not Stable
Refrigerated: Not Stable
Frozen: 2 Months
Rejection CriteriaAmbient, pH<2, Preservatives used, Refrigerated, Thawed
Avail. StatNO
Analytic TimeUp to 10 Days
MethodologyLiquid Chromatography Mass Spectrometry (LCMS)
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Date of BirthALLSee report.
Total VolumeALLSee report.
Cystine, 24 Hour UrineALLSee report.